The draw for the semi-finals of the Betfred Cup will be made live on BT Sport on Thursday evening, following their coverage of Aberdeen v St Johnstone.
Semi-final ties are due to be played on the weekend of October 22/23, with the final on Sunday November 27.
This week's quarter-finals are scheduled as follows:
Tuesday September 20, 2016
Morton v Dundee United
Kick-off 7.45pm
Tuesday September 20, 2016
Rangers v Queen of the South
Live on BT Sport, kick-off 7.45pm
Wednesday September 21, 2016
Celtic v Alloa Athletic
Live on BT Sport, kick-off 7.45pm
Thursday September 22, 2016
Aberdeen v St Johnstone
Live on BT Sport, kick-off 7.45pm